Discover the impact of CVE-2023-37302, a XSS vulnerability in SiteLinksView.php in Wikibase of MediaWiki versions up to 1.39.3. Learn how to mitigate and prevent the exploit.
An issue was discovered in SiteLinksView.php in Wikibase in MediaWiki through 1.39.3. There is XSS via a crafted badge title attribute. This is also related to lack of escaping in wbTemplate (from resources/wikibase/templates.js) for quotes (which can be in a title attribute).
Understanding CVE-2023-37302
This CVE pertains to a security issue found in SiteLinksView.php within Wikibase in MediaWiki versions up to 1.39.3, allowing XSS attacks through a specially crafted badge title attribute.
What is CVE-2023-37302?
CVE-2023-37302 highlights a vulnerability in Wikibase that enables cross-site scripting (XSS) attacks by exploiting a vulnerability in the way badge title attributes are handled.
The Impact of CVE-2023-37302
The impact of CVE-2023-37302 is the potential for malicious actors to execute arbitrary scripts in the context of a user's browser, leading to various security risks and potentially compromising sensitive data.
Technical Details of CVE-2023-37302
This section covers a detailed overview of the vulnerability.
Vulnerability Description
The vulnerability arises from improper handling of badge title attributes, allowing attackers to inject malicious scripts.
Affected Systems and Versions
All versions of MediaWiki up to 1.39.3 utilizing Wikibase are affected by this vulnerability.
Exploitation Mechanism
By crafting a malicious badge title attribute, threat actors can execute XSS attacks to compromise user data and system integrity.
Mitigation and Prevention
Discover the steps to mitigate and prevent exploitation of CVE-2023-37302.
Immediate Steps to Take
Users should update MediaWiki to version 1.39.4 or newer to address this vulnerability and prevent potential XSS attacks.
Long-Term Security Practices
Implement secure coding practices and regularly update software components to reduce the risk of future vulnerabilities.
Patching and Updates
Stay informed about security updates and apply patches promptly to protect systems from known vulnerabilities.